Keystones — Bedrock
Five GCSE retrieval questions · 10 June 2021 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 30 + 34
Answer: 30 + 34 = 64 -
2. Algebra Substitution
If x = 10, find the value of 8x + 10
Answer: 90 -
3. Geometry Converting lengths
Convert 15cm to mm
Answer: 150mm -
4. Ratio Simplifying ratios
Simplify the ratio 8:10
Answer: 4:5 -
5. Statistics Mean
Find the mean of: 19, 16, 6
Answer: 13.666666666667